JPH0373103B

A lamp envelope comprised of silica glass having a SiO2-B2O3 glass layer on an inner surface thereof is coated on the free surface of such SiO2-B2O3 glass layer with a protective layer comprised of a silica glass having a lower B2O3 amount relative to the B2O3 amount in the SiO2-B2O3 glass layer.

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Bibliographische Detailangaben
Hauptverfasser:	YOOZEFU GURAAPUMAIYAA, HARUMUUTO SHUNAIDAA
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY GLASS HEATING JOINING GLASS TO GLASS OR OTHER MATERIALS LIGHTING MECHANICAL ENGINEERING METALLURGY MINERAL OR SLAG WOOL NON-PORTABLE LIGHTING DEVICES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	A lamp envelope comprised of silica glass having a SiO2-B2O3 glass layer on an inner surface thereof is coated on the free surface of such SiO2-B2O3 glass layer with a protective layer comprised of a silica glass having a lower B2O3 amount relative to the B2O3 amount in the SiO2-B2O3 glass layer.